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Single-film x-ray images of extended dynamic range
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X-ray images of extended dynamic range
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3-d seismic survey using multiple sources simultaneously
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Vibratory ground-survey system
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Method for controlling swinging-weight vibrators in seismic exploration
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3-D seismic survey using multiple sources simultaneously
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Vibratory ground-survey system
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Seismic exploration using compressional and shear waves simultaneously
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Seismic exploration with a swinging-weight vibrator
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Seismic delineation of oil and gas reservoirs using borehole geophones
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